// Admin.js
import React, { useState, useEffect } from 'react';
import Web3 from 'web3';
import { useParams, Link } from 'react-router-dom';
// import '../static/css/app.css'; // 导入 CSS 文件
// import '../static/assets/bootstrap/css/bootstrap.min.css';
// import '../static/assets/fonts/ionicons.min.css';
// import '../static/assets/css/pikaday.min.css';
import { Table, Modal } from 'antd';
import AdminNavBar from './nav/AdminNavBar.js';
import Head from './nav/Head.js';
import ActivityListABI from '../contract/ABIs/ActivityList.json'; // 活动列表合约 ABI
import UserListABI from '../contract/ABIs/UserList.json'; // 用户列表合约 ABI
import AdminABI from '../contract/ABIs/Admin.json'; // 管理员合约 ABI

import ActivityListAddress from '../contract/ADDRESSes/ActivityListAddress.js'; // 活动列表合约地址
import UserListAddress from '../contract/ADDRESSes/UserListAddress.js'; // 用户列表合约地址
import Eye from './Eye.js'
import gb from '../static/bootstrap/images/gb.svg';
import us from '../static/bootstrap/images/us.svg';
import user3 from '../static/bootstrap/images/user3.png';


function formatDate(timestamp) {
    if (timestamp) {
        const date = new Date(Number(timestamp) * 1000); // 将BigInt转换为Number后再进行计算
        return date.toLocaleDateString() + ' ' + date.toLocaleTimeString();
    }
    return '';
}
const Admin_ActivityList = () => {
    const [web3, setWeb3] = useState(null);
    // 使用 useParams 获取路由参数中的地址信息
    const { address } = useParams();
    const [contractActivityList, setcontractActivityList] = useState(null);
    const [contractUserList, setContractUserList] = useState(null);
    const [contractAdmin, setcontractAdmin] = useState(null);
    const [isAdmin, setIsAdmin] = useState(false);
    const [activityList, setactivityList] = useState('') //查看所有活动列表
    const [IsList, setIsList] = useState(false);//控制是否显示列表
    const [categoryFilter, setCategoryFilter] = useState('');//用于通过分类查询
    // 新增状态变量来存储用户积分 
    // const [userPoints, setUserPoints] = useState(0);
    const columns = [
        {
            title: '活动ID',
            dataIndex: 'Id',
            key: 'Id',
            render: (text) => {
                const newText = text.toString(); // 将文本转换为字符串
                return <span style={{ color: 'black' }}>{newText}</span>;
            },
        },
        {
            title: '活动名称',
            dataIndex: 'name',
            key: 'name',
            render: (text) => (
                <span style={{ color: 'black' }}>
                    {text}
                </span>
            )
        },
        {
            title: '活动种类',
            dataIndex: 'category',
            key: 'category',
            render: (text) => (
                <span style={{ color: 'black' }}>
                    {text}
                </span>
            )
        },
        {
            title: '管理员地址',
            dataIndex: 'admin',
            key: 'admin',
            render: (text) => {
                const newText = text.toString(); // 将文本转换为字符串
                return <span style={{ color: 'black' }}>{newText}</span>;
            },
        },
        {
            title: '开始时间',
            dataIndex: 'startTime',
            key: 'startTime',
            render: (text) => (
                <span style={{ color: 'black' }}>{formatDate(text)}</span>
            ),
        },
        {
            title: '结束时间',
            dataIndex: 'endTime',
            key: 'endTime',
            render: (text) => (
                <span style={{ color: 'black' }}>{formatDate(text)}</span>
            ),
        },
        {
            title: '活动描述',
            dataIndex: 'description',
            key: 'description',
            render: (text) => (
                <span style={{ color: 'black' }}>
                    {text}
                </span>
            )
        },
        {
            title: '是否有效',
            dataIndex: 'isValid',
            key: 'isValid',
            render: (text) => (
                <span style={{ color: 'black' }}>{text == true ? '有效' : '无效'}</span>
            ),
        },
        // {
        //     title: '操作',
        //     key: 'action',
        //     render: (text, record) => (
        //         <button type="primary" onClick={() => handleAudit(record)}>
        //             审核
        //         </button>
        //     ),
        // }
    ];
    useEffect(() => {
        async function init() {
            // 连接到以太坊网络
            if (window.ethereum) {
                const web3Instance = new Web3(window.ethereum);
                try {
                    // 请求用户授权
                    await window.ethereum.enable();
                    setWeb3(web3Instance);

                    // 创建活动列表合约实例
                    const activityListInstance = new web3Instance.eth.Contract(
                        ActivityListABI,
                        ActivityListAddress
                    );
                    setcontractActivityList(activityListInstance);

                    // 创建用户列表合约实例
                    const userListInstance = new web3Instance.eth.Contract(
                        UserListABI,
                        UserListAddress
                    );
                    setContractUserList(userListInstance);

                    // 创建管理员合约实例
                    const adminInstance = new web3Instance.eth.Contract(
                        AdminABI,
                        address
                    );
                    setcontractAdmin(adminInstance);

                    // 获取当前用户的以太坊账户地址
                    const accounts = await web3Instance.eth.getAccounts();
                    const currentAddress = accounts[0];
                    // 获取管理员合约的 owner 地址
                    const ownerAddress = await adminInstance.methods.getOwner().call();
                    // 检查当前账户是否是管理员本人
                    setIsAdmin(currentAddress === ownerAddress);

                    // 调用GetAllActivity函数来获取活动列表
                    await GetAllActivity(web3Instance, activityListInstance);
                } catch (error) {
                    console.error(error);
                }
            } else {
                console.error('请安装以太坊浏览器插件，如 MetaMask');
            }
        }
        init();
    }, [address]);


    // 获取所有活动列表
    const GetAllActivity = async (web3Instance, activityListInstance) => {
        if (activityListInstance) {
            try {
                const accounts = await web3Instance.eth.getAccounts();
                const fromAddress = accounts[0];
                console.log("fromAddress:", fromAddress);
                // 调用合约函数
                const result = await activityListInstance.methods.getAllActivity().call({ from: fromAddress });
                console.log("返回的活动信息：", result);
                setactivityList(result);
                setIsList(true);//让列表显示出来
            } catch (error) {
                console.error(error);
            }
        };
    };
    const handleFilterActivity = async () => {
        if (contractActivityList) {
            try {
                const filteredActivityList = activityList.filter((activity) => activity.category === categoryFilter);//设置通过类别查询
                setactivityList(filteredActivityList);

                setIsList(true);
            } catch (error) {
                console.error(error);
            }
        }
    };
    return (
        <div>
            {/* 如果当前账户不是管理员，则显示提示信息 */}
            {/* {!isAdmin && (<div>您没有权限访问此页面。</div>)} */}
            {/* 管理员界面 */}
            {/* {isAdmin && ( */}
            <div className="page-wrapper" style={{
                backgroundColor: '#FFFFFF'
            }}>
                <div className="main-container">
                    <AdminNavBar address={address}></AdminNavBar>

                    <div className="app-container">
                        <Head></Head>
                        <div className="app-body">
                            <div className="container-fluid">


                                <div>
                                    <main className="page hire-me-page">
                                        <section className="portfolio-block hire-me">

                                            <div className="container">
                                                <div className="border rounded border-0 shadow-lg p-3 p-md-5"
                                                    data-bs-theme="light"
                                                    style={{
                                                        backgroundColor: 'rgba(36, 36, 41, 0.6)'
                                                    }}
                                                >
                                                    {/* 活动列表信息 */}

                                                    <div className="mb-3">
                                                        <h2>活动列表信息</h2>
                                                        <div className="d-flex justify-content-end mt-3">
                                                            <div className="choices">
                                                                <button className="btn btn-primary btn-lg d-block w-100" type="button">
                                                                    <Link to={`/admin/${address}/Admin_integral/Admin_publishActivity`} className="choice">发布</Link>
                                                                </button>
                                                            </div>
                                                            <div className="input-group mb-3" style={{ maxWidth: '300px' }}>
                                                                <input
                                                                    type="text"
                                                                    className="form-control"
                                                                    placeholder="输入活动种类查询"
                                                                    aria-label="活动种类查询"
                                                                    aria-describedby="basic-addon2"
                                                                    value={categoryFilter}
                                                                    onChange={(e) => setCategoryFilter(e.target.value)}
                                                                />
                                                                <div className="input-group-append">
                                                                    <button className="btn btn-primary btn-lg d-block w-100" type="button" onClick={handleFilterActivity}>查询</button>
                                                                </div>
                                                            </div>
                                                        </div>
                                                        {IsList ? (
                                                            <Table
                                                                dataSource={activityList}
                                                                columns={columns} // 确保你已经定义了columns
                                                                pagination={{
                                                                    pageSize: 10,
                                                                    showTotal: false, // 隐藏总页数
                                                                    showSizeChanger: false, // 隐藏页面大小选择器
                                                                    itemRender: (current, type, originalElement) => (
                                                                        <span style={{ color: 'black' }}>
                                                                            {current}
                                                                        </span>
                                                                    ),
                                                                }} // 设置每页显示5 行数据 
                                                            />

                                                        ) : (
                                                            <div>No activity information available.</div>
                                                        )}



                                                        {/* <div className="mb-3 mt-4">
                                        <button className="btn btn-primary btn-lg d-block w-100" onClick={GetAllActivity}>查询活动列表信息</button>
                                    </div> */}
                                                    </div>
                                                    {/* )} */}


                                                </div>
                                            </div>
                                        </section>
                                    </main>
                                </div>


                            </div>
                        </div>
                        <div className="app-footer">
                            <span>
                                © Bootstrap Gallery 2023
                            </span>
                        </div>
                    </div>
                </div>

            </div>

        </div >
    );
}

export default Admin_ActivityList;
